Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 30 Aug 1999 21:56:44 -0700
From:      "Neil Bradley" <neil@synthcom.com>
To:        <smp@freebsd.org>
Subject:   Re: BIOS calls on SMP systems
Message-ID:  <009c01bef36d$394ee850$076291c6@Engineering.retrocade.com>
References:  <199908302230.PAA00751@dingo.cdrom.com>

next in thread | previous in thread | raw e-mail | index | archive | help
> Can someone familiar with the Intel MP spec clarify for me whether it's
> permissible for an AP to call the BIOS, or whether only the BSP may do
> this?

It depends upon what services of the BIOS you're looking to call. If it's
the standard INT services, only the BSP will be able to do it reliably. If
you're calling the PCI functions, then  you're most likely safe. But it is
safe for the BSP to call BIOS even when the AP's aren't.

-->Neil



To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-smp" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?009c01bef36d$394ee850$076291c6>